名词
中文翻译：层着色
同义词：
['stratification', 'layering']
例句：
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1. The artist applied a layer of paint to the canvas for a unique effect.
艺术家在画布上涂了一层颜料，以获得独特的效果。
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2. The company decided to layer their products with more environmentally friendly materials.
该公司决定在其产品中添加更多环保材料。
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3. The scientist experimented with different layers of metal to improve the strength of the structure.
科学家尝试使用不同层次的金属来增强结构强度。